Seiko Cal. 6677 - 963

The 6677-963 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6677 caliber with 35j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-b1f91e34c819]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1988

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